0000000001114156

AUTHOR

Gabriela Montiel-jarillo

showing 3 related works from this author

Phosphorus recovery from mixed microbial culture: production and extraction through green methods

2018

Large scale polyhydroxyalkanoates (PHA) production is limited by high production costs compared to that of petroleum-based plastics. Two key factors can be pin down to reduce costs: i) the use of mixed microbial cultures (MMC) instead of pure cultures and ii) the application of cheap and environmental friendly recovery technologies. In this work, the MMC biomass with PHA-accumulating capacity was selected in a sequencing batch reactor fed with a synthetic effluent emulating a fermented oil mill wastewater. The biomass was harvested and transferred to an accumulation reactor, where PHA contents up to 54% of the dry cell weight were obtained, using a mixture of acetic and propionic acids. A c…

water wastewater biplasticSettore ICAR/03 - Ingegneria Sanitaria-Ambientale
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Recovery of polyhydroxyalkanoates (PHAs) from wastewater : a review

2020

Abstract Polyhydroxyalkanoates (PHAs) are biopolyesters accumulated as carbon and energy storage materials under unbalanced growth conditions by various microorganisms. They are one of the most promising potential substitutes for conventional non-biodegradable plastics due to their similar physicochemical properties, but most important, its biodegradability. Production cost of PHAs is still a great barrier to extend its application at industrial scale. In order to reduce that cost, research is focusing on the use of several wastes as feedstock (such as agro-industrial and municipal organic waste and wastewater) in a platform based on mixed microbial cultures. This review provides a critical…

0106 biological sciencesEnvironmental EngineeringCircular economyScale-upMixed microbial culturesBioengineeringWastewater treatmentWastewater010501 environmental sciencesRaw material01 natural sciencesPolyhydroxyalkanoatesBiopolymers010608 biotechnologyIndustryWaste WaterWaste Management and Disposal0105 earth and related environmental sciencesResource recoverySettore ICAR/03 - Ingegneria Sanitaria-AmbientaleWaste managementRenewable Energy Sustainability and the EnvironmentPolyhydroxyalkanoatesGeneral MedicineBiodegradable wasteResource recoveryBiodegradationCarbonWastewaterSCALE-UPEnvironmental scienceSewage treatment
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Bioplastic recovery from wastewater: A new protocol for polyhydroxyalkanoates (PHA) extraction from mixed microbial cultures

2019

Abstract A new protocol for polyhydroxyalkanoates (PHA) extraction from mixed microbial cultures (MMCs) is proposed. PHA-accumulating capacity of the MMC was selected in a sequencing batch reactor (SBR) fed with a synthetic effluent emulating a fermented oil mill wastewater (OMW). The highest recovery yield and purity (74 ± 8% and 100 ± 5%, respectively) was obtained when using NH4-Laurate for which operating conditions of the extraction process such as temperature, concentration and contact time were optimized. Best conditions for PHA extraction from MMC turned to be: i) a pre-treatment with NaClO at 85 °C with 1 h of contact time, followed by ii) a treatment with lauric acid in a ratio ac…

0106 biological sciencesEnvironmental EngineeringPHABioengineeringSequencing batch reactorWastewater treatment010501 environmental sciencesWastewater01 natural sciencesBioplasticPolyhydroxyalkanoateschemistry.chemical_compoundBioreactors010608 biotechnologyBiomassWaste Management and DisposalEffluent0105 earth and related environmental sciencesSettore ICAR/03 - Ingegneria Sanitaria-AmbientaleRenewable Energy Sustainability and the EnvironmentChemistryPolyhydroxyalkanoatesExtraction (chemistry)Water resource recoveryGeneral MedicinePulp and paper industryLauric acidBioplasticWastewaterFermentationFermentationPlastics
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